LTC3879 - Fast, Wide Operating Range No RSENSE Step-Down Controller

Features
  • Wide VIN Range: 4V to 38V
  • ±1% 0.6V Voltage Reference
  • Extremely Fast Transient Response
  • tON(MIN): 43ns
  • No RSENSE™ Valley Current Mode Control
  • Stable with Low ESR Ceramic COUT
  • Supports Smooth Start-Up in Pre-Biased Output
  • Optimized for High Step-Down Ratios
  • Adjustable Output Voltage Soft-Start or Tracking
  • Power Good Output Voltage Monitor
  • Dual N-Channel MOSFET Synchronous Drive
  • Adjustable Switching Frequency
  • Programmable Current Limit with Foldback
  • Output Overvoltage Protection
  • 16-Pin MSOP and 3mm × 3mm QFN Packages
Typical Application

Applications
  • Distributed Power Systems
  • Embedded Computing
  • Communications Infrastructure
Packaging

Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC3879EMSE#PBFMS-16EE$2.49$1.76
LTC3879EMSE#TRPBFMS-16EE$1.82
LTC3879EUD#PBF3x3 QFN-16E$2.49$1.76
LTC3879EUD#TRPBF3x3 QFN-16E$1.82
LTC3879IMSE#PBFMS-16EI$2.84$1.99
LTC3879IMSE#TRPBFMS-16EI$2.05
LTC3879IUD#PBF3x3 QFN-16I$2.84$1.99
LTC3879IUD#TRPBF3x3 QFN-16I$2.05
Demo Boards
Part NumberDescriptionPrice
DC1289ALTC3879EUD Demo Board | No RSENSE, 4.5V ≤ VIN ≤ 14V, Vout = 1.2V @ 15A$125.00
DC1345ALTC3879EMSE Demo Board | 4.5V ≤ VIN ≤ 34, VOUT = 1.2V @ 12A$125.00
Datasheet
Reliability Data
Product Selector Card
Press Release
LTspice
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